The Transportation Secretary says he is about to pull millions from California over its commercial driver licenses process.

The Department of Transportation has warned that airline traffic could "slow down" or "stop" amid the government shutdown, as ...

The transportation secretary's visit comes as air traffic controllers are slated to miss their first full paycheck next week.

Transportation Secretary Sean Duffy warned he would withhold federal highway funds from California after a deadly crash ...

Sean Duffy responded to a ‘yes’ or ‘no’ question with a riddle when asked about the safety of flying amid the government ...

Transportation Secretary Sean Duffy stated on "Fox News Sunday Morning Futures" that air traffic controllers won't get paid ...

Transportation Secretary Sean Duffy said Sunday that air traffic controllers “are wearing thin” amid the ongoing government shutdown. “The controllers are wearing thin,” Duffy told Maria Bartiromo ...

Elon Musk is taking aim at the head of NASA amid news that the U.S. space agency may consider companies other than SpaceX to ...

A spat over the future of NASA under the Trump administration went public on Tuesday, with Elon Musk panning Transportation ...

Sean Duffy, the Secretary of Transportation and acting administrator of NASA, appeared on CNBC on Monday to say that SpaceX ...

Department of Transportation Secretary Sean Duffy has weighed in on the increase in air traffic controllers calling out of ...

Acting NASA chief Sean Duffy and billionaire Elon Musk on Tuesday traded barbs online over who should lead the space agency, ...